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发明名称
Plotter pen ink level detector
摘要
申请公布号
US4881088(A)
申请公布日期
1989.11.14
申请号
US19880240056
申请日期
1988.08.26
申请人
FISHER, JR., PAUL C.;VAN DER MEER, WIEBE H.;FISHER, PAUL C.
发明人
FISHER, JR., PAUL C.;VAN DER MEER, WIEBE H.;FISHER, PAUL C.
分类号
B43K5/12;G01D5/14;G01D5/16;G01F23/74
主分类号
B43K5/12
代理机构
代理人
主权项
地址
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